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Digestion and Enzyme
JC Science chaper 4
Term | Definition |
---|---|
Digestion | Breaking down of food |
Physical Digestion | Break down of food by mechanical means |
Chemical Digestion | Breakdown of food by enzymes |
Mouth | Carries out physical and chemical digestion |
Oesophagus | Moves food to the stomach |
Liver | Makes bile which breaks down fat |
Pancreas | Makes enzymes which digest food the second part of the small intestine allows the food to absorbed from the intestine into the bloodsream |
Small intestine | Completes the breakdown of food |
Stomach | Hydrochloric is an acid that softens food and kills bacteria |
Large intestine | Takes water back into the bloodstream |
Incisors | Cut and slice food |
Canines | Grip and tear food |
Premolars | Chew, crush and grind food |
Molars | Chew, crush and grind food |
Enzymes | Proteins which speed chemical reactions in the body without the enzymes beings used up. |
Enzymes | Substance produced by enzymes is called a product |
Enzymes | The substance the enzymes act on is called the substate |
Enzymes | Amylase acts on starch to produce a simple or reducing sugar called maltose. |